/* ============================================================
 * 换锁帮 hsb01 订制款样式（禁换款/禁改款）
 * 设计语言：暖陶土横带风 —— 胡桃棕 #4a3222 + 柿红 #d04a2f + 牛皮纸 #f6f0e4
 * 设计稿：网站\换锁帮定稿\{index,cat,post,tag,search,page}.html（六页定稿 1:1）
 * 响应式：1080 / 860 / 560 三档断点
 * ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"Microsoft YaHei",sans-serif;background:#f6f0e4;color:#33291d;font-size:14px;line-height:1.7}
img{max-width:100%}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.w{width:min(1230px,96%);margin:0 auto}
/* ===== 顶条 ===== */
.b3-top{background:#33241a;color:#c9b28c;font-size:12px}
.b3-top .w{display:flex;justify-content:space-between;gap:12px;padding:6px 0;flex-wrap:wrap}
.b3-top b{color:#f0b429}
.b3-top a{color:#c9b28c;margin-left:10px}
.b3-top a:hover{color:#f0b429}
/* ===== 报头 ===== */
.b3-hd{background:#4a3222}
.b3-hd .w{display:flex;align-items:center;gap:16px;padding:12px 0;flex-wrap:wrap}
.b3-logo{display:flex;align-items:center;gap:11px;min-width:0}
.b3-logo .mk{width:46px;height:46px;flex:none;background:#d04a2f;color:#fff;border-radius:23px 7px 23px 7px;display:grid;place-items:center;font-size:22px}
.b3-logo h1,.b3-logo .lgt{font-size:22px;color:#f6f0e4;letter-spacing:3px;white-space:nowrap;font-weight:bold;margin:0}
.b3-logo small{display:block;font-size:10px;color:#b39a72;letter-spacing:1px}
.b3-search{margin-left:auto;display:flex;flex:1;min-width:220px;max-width:420px}
.b3-search input{flex:1;min-width:0;border:2px solid #6b5138;background:#f6f0e4;padding:8px 12px;outline:none;font-size:13px}
.b3-search button{background:#d04a2f;color:#fff;border:0;padding:0 18px;font-size:13.5px;cursor:pointer;white-space:nowrap}
.b3-tel{display:flex;flex-direction:column;justify-content:center;border-left:1px solid #6b5138;padding-left:16px;white-space:nowrap}
.b3-tel em{font-style:normal;font-size:10.5px;color:#b39a72}
.b3-tel strong{font-size:17px;color:#f0b429;font-family:Arial}
/* ===== 导航 ===== */
.b3-nav{background:#3a332a;position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(40,30,15,.25)}
.b3-nav .w{display:flex;align-items:center}
.b3-nav .lst{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.b3-nav a{color:#e8d9b8;font-size:14.5px;padding:11px 19px;white-space:nowrap;border-right:1px dotted #5c5540;flex:none}
.b3-nav a.on{background:#d04a2f;color:#fff}
.b3-nav a:hover{color:#f0b429}
.b3-nav .qq{margin-left:auto;color:#f0b429;font-size:12px;padding-left:14px;white-space:nowrap;display:none}
/* ===== 带通用 ===== */
.b3-band{padding:20px 0;border-bottom:1px solid #e4d8bf;background:#fbf7ee}
.b3-band.alt{background:#f2ead8}
.b3-band.dark{background:#4a3222;border-bottom:0}
.b3-h2{display:flex;align-items:baseline;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.b3-h2 b{font-size:19px;color:#4a3222;letter-spacing:1px}
.b3-h2 b::before{content:"";display:inline-block;width:10px;height:10px;background:#d04a2f;transform:rotate(45deg);margin-right:9px}
.b3-h2 span{font-size:12px;color:#a08a63}
.b3-h2 a{margin-left:auto;font-size:12px;color:#a05522}
.b3-band.dark .b3-h2 b{color:#f6f0e4}
.b3-band.dark .b3-h2 span{color:#b39a72}
/* ===== 首页：焦点带 ===== */
.b3-foc{display:grid;grid-template-columns:1.35fr 1fr 250px;gap:16px}
.b3-hero{background:linear-gradient(140deg,#5d4130,#4a3222);color:#f6f0e4;border-radius:10px;padding:22px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;min-height:250px;display:flex}
.b3-hero::before{content:"🔑";position:absolute;right:-8px;top:-14px;font-size:120px;opacity:.12}
.b3-hero .tg{background:#d04a2f;color:#fff;align-self:flex-start;font-size:11px;padding:2px 10px;border-radius:2px}
.b3-hero h2{font-size:22px;margin:10px 0 6px;line-height:1.5}
.b3-hero h2 a{color:#f6f0e4}
.b3-hero p{font-size:12.5px;color:#d8c8a8}
.b3-hero .mt{margin-top:12px;font-size:11px;color:#b39a72}
.b3-subs{display:grid;grid-template-rows:repeat(4,1fr);gap:8px}
.b3-subs a{background:#fff;border:1px solid #e4d8bf;border-left:4px solid #d04a2f;border-radius:5px;padding:8px 12px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.b3-subs a b{font-size:13.5px;color:#4a3222;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b3-subs a span{font-size:11px;color:#a08a63}
.b3-mini{background:#fff;border:1px solid #e4d8bf;border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:8px}
.b3-mini h3{font-size:13.5px;color:#4a3222;border-bottom:1px dashed #d9cba8;padding-bottom:6px}
.b3-mini .row{display:flex;justify-content:space-between;gap:8px;font-size:12.5px;border-bottom:1px dotted #e4d8bf;padding:3px 0}
.b3-mini .row em{font-style:normal;color:#c2521f;font-family:Arial;font-weight:bold;white-space:nowrap}
/* ===== 首页：价目五卡 ===== */
.b3-price5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.b3-pc{background:#fff;border:1px solid #e4d8bf;border-top:4px solid #d04a2f;border-radius:7px;padding:12px 14px;display:flex;flex-direction:column}
.b3-pc:nth-child(2){border-top-color:#f0b429}
.b3-pc:nth-child(3){border-top-color:#7a8b3d}
.b3-pc:nth-child(4){border-top-color:#4a6b8a}
.b3-pc:nth-child(5){border-top-color:#8a5f9e}
.b3-pc h4{font-size:15px;color:#4a3222}
.b3-pc .rg{font-size:19px;color:#c2521f;font-family:Arial;font-weight:bold;margin:2px 0}
.b3-pc .rg small{font-size:11px;color:#a08a63;font-weight:normal}
.b3-pc p{font-size:11.5px;color:#8d7a58}
.b3-law{margin-top:12px;background:#fff8e6;border:1px dashed #e3c878;border-radius:6px;font-size:12px;color:#7a6222;padding:9px 14px;display:flex;gap:6px 18px;flex-wrap:wrap;line-height:1.9}
.b3-law b{color:#a05522}
/* ===== 首页：双栏文章 ===== */
.b3-two{display:grid;grid-template-columns:1fr 1fr 320px;gap:16px}
.b3-lst{background:#fff;border:1px solid #e4d8bf;border-radius:9px;padding:12px 16px;min-width:0}
.b3-lst h3{font-size:15px;color:#4a3222;margin-bottom:6px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.b3-lst h3 a{font-size:11px;color:#a08a63;font-weight:normal;white-space:nowrap}
.b3-lst li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed #e8dcc2}
.b3-lst li:last-child{border:0}
.b3-lst .cat{font-size:10.5px;background:#f2e6cc;color:#8a6a3a;padding:1px 7px;border-radius:2px;flex:none;white-space:nowrap}
.b3-lst .cat.hot{background:#fbe3dc;color:#c2521f}
.b3-lst .tt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;color:#33291d}
.b3-lst li:hover .tt{color:#a13c2a}
.b3-lst .dt{font-size:11px;color:#b3a17e;font-family:Arial;flex:none}
.b3-side{display:flex;flex-direction:column;gap:12px;min-width:0}
.b3-dl{background:#4a3222;border-radius:9px;padding:14px 16px;color:#e8d9b8}
.b3-dl h3{font-size:14px;color:#f0b429;margin-bottom:8px}
.b3-dl a{display:block;font-size:12.5px;padding:4px 0;border-bottom:1px dotted #6b5138;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b3-dl a:last-child{border:0}
.b3-dl a b{color:#fff;font-weight:normal}
.b3-dl a::before{content:"▸ ";color:#d04a2f}
/* ===== 首页：品牌·城区 ===== */
.b3-bc{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}
.b3-brands{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.b3-brands a{background:#5d4130;border:1px solid #6b5138;color:#e8d9b8;text-align:center;font-size:12.5px;padding:9px 2px;border-radius:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b3-brands a i{font-style:normal;display:block;font-size:10px;color:#b39a72}
.b3-brands a:hover{background:#d04a2f;border-color:#d04a2f;color:#fff}
.b3-brands a:hover i{color:#ffd9c2}
.b3-city{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.b3-city span{font-size:12px;color:#d8c8a8;text-align:center;background:#3d291b;border-radius:4px;padding:6px 2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b3-city span b{color:#f0b429;font-size:11px;display:block}
/* ===== 首页：流程/专题/问答/热榜 ===== */
.b3-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.b3-fl{background:#fff;border:1px solid #e4d8bf;border-radius:9px;padding:14px 16px;display:flex;gap:12px}
.b3-fl .n{width:34px;height:34px;flex:none;border-radius:50%;background:#4a3222;color:#f0b429;display:grid;place-items:center;font-family:Georgia;font-size:15px}
.b3-fl b{display:block;font-size:14px;color:#4a3222}
.b3-fl p{font-size:11.5px;color:#8d7a58}
.b3-topics{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.b3-tp{background:#fff;border:1px solid #e4d8bf;border-radius:9px;overflow:hidden;display:flex;flex-direction:column}
.b3-tp .ph{height:62px;display:grid;place-items:center;color:#fff;font-size:25px;flex:none}
.b3-tp .ph.c1{background:#8a4535}.b3-tp .ph.c2{background:#7a6a3d}.b3-tp .ph.c3{background:#456b5a}
.b3-tp .ph.c4{background:#4a5b8a}.b3-tp .ph.c5{background:#6b4a7a}.b3-tp .ph.c6{background:#8a5f3d}
.b3-tp .bd{padding:9px 11px}
.b3-tp b{display:block;font-size:13.5px;color:#4a3222}
.b3-tp span{font-size:11px;color:#a08a63;display:block;line-height:1.6;min-height:36px}
.b3-faq{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.b3-fq{background:#fff;border:1px solid #e4d8bf;border-radius:9px;padding:12px 15px}
.b3-fq b{display:block;color:#4a3222;font-size:13.5px;margin-bottom:3px}
.b3-fq b::before{content:"Q ";color:#d04a2f;font-family:Georgia;font-weight:bold}
.b3-fq p{font-size:12px;color:#7b7059}
.b3-fq p::before{content:"A ";color:#7a8b3d;font-family:Georgia;font-weight:bold}
.b3-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.b3-rk{background:#fff;border:1px solid #e4d8bf;border-radius:9px;padding:12px 16px}
.b3-rk h3{font-size:14.5px;color:#4a3222;margin-bottom:6px}
.b3-rk ol{counter-reset:r}
.b3-rk li{counter-increment:r;display:flex;gap:10px;padding:5px 0;font-size:13px;border-bottom:1px dashed #e8dcc2;align-items:baseline}
.b3-rk li:last-child{border:0}
.b3-rk li::before{content:counter(r);font-family:Arial;font-size:12px;color:#fff;background:#c9b28c;width:20px;height:20px;border-radius:4px;text-align:center;line-height:20px;flex:none}
.b3-rk li:nth-child(-n+3)::before{background:#d04a2f}
.b3-rk li .tt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b3-rk li:hover .tt{color:#a13c2a}
.b3-rk li em{font-style:normal;margin-left:auto;font-size:11px;color:#b3a17e;font-family:Arial}
/* ===== 频道/标签/搜索 共用 ===== */
.ct-hero{background:linear-gradient(140deg,#5d4130,#4a3222);color:#f6f0e4;padding:26px 0;position:relative;overflow:hidden}
.ct-hero::after{content:"🔑";position:absolute;right:4%;top:-12px;font-size:130px;opacity:.1}
.ct-hero .crumb{font-size:12px;color:#c9b28c;margin-bottom:8px}
.ct-hero .crumb a{color:#c9b28c}
.ct-hero .crumb a:hover{color:#f0b429}
.ct-hero h2{font-size:26px;letter-spacing:2px;margin:0}
.ct-hero p{font-size:12.5px;color:#d8c8a8;max-width:640px;margin-top:5px}
.ct-hero .st{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}
.ct-hero .st span{background:rgba(0,0,0,.25);border:1px solid #6b5138;border-radius:14px;padding:3px 14px;font-size:11.5px;color:#e8d9b8}
.ct-hero .st b{color:#f0b429;font-family:Arial}
.ct-chips{background:#fbf7ee;border-bottom:1px solid #e4d8bf}
.ct-chips .w{display:flex;align-items:center;gap:8px;padding:10px 0;flex-wrap:wrap}
.ct-chips b{font-size:13px;color:#4a3222;white-space:nowrap}
.ct-chips a{font-size:12.5px;color:#6b5138;background:#fff;border:1px solid #e4d8bf;border-radius:14px;padding:4px 14px}
.ct-chips a.on{background:#4a3222;color:#f6f0e4;border-color:#4a3222}
.ct-chips a:hover{border-color:#d04a2f;color:#d04a2f}
/* 列表主体 */
.ct-main{display:grid;grid-template-columns:1fr 320px;gap:16px;margin:16px auto}
.ct-pins{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.ct-pin{background:#fff;border:1px solid #e4d8bf;border-radius:9px;overflow:hidden;display:flex;flex-direction:column}
.ct-pin .ph{height:96px;display:flex;align-items:center;padding:0 16px;color:#fff;font-size:15px;font-weight:bold;letter-spacing:1px;position:relative}
.ct-pin .ph.k1{background:linear-gradient(120deg,#5d4130,#8a4535)}
.ct-pin .ph.k2{background:linear-gradient(120deg,#4a5b8a,#6b4a7a)}
.ct-pin .ph .tag{position:absolute;right:10px;top:10px;background:rgba(255,255,255,.9);color:#8a4535;font-size:10px;border-radius:9px;padding:1px 9px;font-weight:normal}
.ct-pin .bd{padding:11px 14px;flex:1;display:flex;flex-direction:column}
.ct-pin h3{font-size:15.5px;color:#4a3222;line-height:1.55;margin:0}
.ct-pin h3 a:hover{color:#a13c2a}
.ct-pin p{font-size:12px;color:#7b7059;margin:5px 0;flex:1}
.ct-pin .mt{font-size:11px;color:#a08a63;border-top:1px dashed #e8dcc2;padding-top:6px;display:flex;justify-content:space-between}
.ct-list{background:#fff;border:1px solid #e4d8bf;border-radius:9px;padding:6px 16px 10px;margin-bottom:14px}
.ct-list h3{font-size:15px;color:#4a3222;padding:10px 0 6px;border-bottom:2px solid #4a3222;display:flex;justify-content:space-between;align-items:center;gap:8px}
.ct-list h3 span{font-size:11px;color:#a08a63;font-weight:normal}
.ct-list li{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed #e8dcc2}
.ct-list li:last-child{border:0}
.ct-list .cat{font-size:10.5px;background:#f2e6cc;color:#8a6a3a;padding:1px 7px;border-radius:2px;flex:none;white-space:nowrap}
.ct-list .cat.hot{background:#fbe3dc;color:#c2521f}
.ct-list .tt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13.5px;color:#33291d}
.ct-list li:hover .tt{color:#a13c2a}
.ct-list .dt{font-size:11px;color:#b3a17e;font-family:Arial;flex:none}
/* 标签条目（带摘要） */
.tg-it{display:grid;grid-template-columns:74px 1fr;gap:14px;padding:13px 0;border-bottom:1px dashed #e8dcc2}
.tg-it:last-child{border:0}
.tg-it .ph{width:74px;height:58px;flex:none;border-radius:6px;display:grid;place-items:center;color:#fff;font-size:23px;background:#8a4535}
.tg-it .ph.k2{background:#456b5a}.tg-it .ph.k3{background:#4a5b8a}.tg-it .ph.k4{background:#7a6a3d}
.tg-it .ph.k5{background:#6b4a7a}.tg-it .ph.k6{background:#8a5f3d}.tg-it .ph.k7{background:#5c4425}
.tg-it .bd{min-width:0}
.tg-it b{display:block;font-size:14.5px;color:#33291d;line-height:1.55;font-weight:normal}
.tg-it b a:hover{color:#a13c2a}
.tg-it p{font-size:12px;color:#7b7059;margin:3px 0 4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tg-it .mt{font-size:11px;color:#a08a63;display:flex;gap:12px;flex-wrap:wrap}
.tg-it .mt .cat{background:#f2e6cc;color:#8a6a3a;border-radius:3px;padding:0 8px}
/* 分页 */
.ct-pager{display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap}
.ct-pager a,.ct-pager span{min-width:34px;height:34px;display:grid;place-items:center;border:1px solid #e4d8bf;border-radius:5px;background:#fff;font-size:13px;color:#4a3222;padding:0 10px}
.ct-pager span.cur{background:#d04a2f;color:#fff;border-color:#d04a2f}
.ct-pager a:hover{border-color:#d04a2f;color:#d04a2f}
.ct-pager .dots{border:0;background:none}
/* 右栏盒 */
.ct-side{display:flex;flex-direction:column;gap:12px}
.ct-box{background:#fff;border:1px solid #e4d8bf;border-radius:9px;padding:12px 15px}
.ct-box h3{font-size:14px;color:#4a3222;margin-bottom:8px;border-left:4px solid #d04a2f;padding-left:9px;display:flex;justify-content:space-between;align-items:center}
.ct-box h3 a{font-size:11px;color:#a08a63;font-weight:normal}
.ct-price{width:100%;border-collapse:collapse;font-size:12.5px}
.ct-price th{background:#4a3222;color:#e8d9b8;padding:6px 9px;font-weight:normal;text-align:left}
.ct-price td{border-bottom:1px dotted #d9cba8;padding:6px 9px;color:#4a4436}
.ct-price td.p{color:#c2521f;font-family:Arial;font-weight:bold;text-align:right;white-space:nowrap}
.ct-price .nt{font-size:10.5px;color:#a08a63;padding:6px 2px 0;line-height:1.6}
.ct-rank li{display:flex;gap:9px;align-items:baseline;padding:5px 0;border-bottom:1px dashed #e8dcc2;font-size:13px}
.ct-rank li:last-child{border:0}
.ct-rank li i{font-style:normal;font-family:Arial;font-size:11px;color:#fff;background:#c9b28c;width:19px;height:19px;border-radius:4px;text-align:center;line-height:19px;flex:none}
.ct-rank li:nth-child(-n+3) i{background:#d04a2f}
.ct-rank a{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ct-rank a:hover{color:#a13c2a}
.ct-rank em{font-style:normal;font-size:10.5px;color:#b3a17e;font-family:Arial;flex:none}
.ct-tags{display:flex;flex-wrap:wrap;gap:7px}
.ct-tags a{font-size:12px;color:#6b5138;background:#f2ead8;border-radius:12px;padding:3px 12px}
.ct-tags a.hot{background:#fbe3dc;color:#c2521f}
.ct-tags a:hover{background:#4a3222;color:#f6f0e4}
.ct-note{background:#fff8e6;border:1px dashed #e3c878;border-radius:9px;padding:11px 14px;font-size:11.5px;color:#7a6222;line-height:1.9}
.ct-note b{color:#a05522}
/* 姊妹频道带 / 标签云带 */
.ct-foot-band{background:#4a3222;padding:18px 0}
.ct-foot-band h3{color:#f6f0e4;font-size:16px;margin:0 0 10px}
.ct-foot-band h3 span{font-size:11px;color:#b39a72;margin-left:8px}
.ct-fb{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.ct-fb a{background:#5d4130;border:1px solid #6b5138;border-radius:8px;padding:11px 14px;color:#e8d9b8;display:flex;gap:10px;align-items:center}
.ct-fb a i{font-style:normal;font-size:21px}
.ct-fb a b{display:block;font-size:13.5px;color:#fff}
.ct-fb a span{font-size:10.5px;color:#b39a72}
.ct-fb a:hover{background:#d04a2f;border-color:#d04a2f}
.tg-cloudband{background:#4a3222;padding:18px 0}
.tg-cloudband h3{color:#f6f0e4;font-size:16px;margin:0 0 10px;display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.tg-cloudband h3 span{font-size:11px;color:#b39a72}
.tg-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tg-cloud a{font-size:12.5px;color:#e8d9b8;background:#5d4130;border:1px solid #6b5138;border-radius:14px;padding:4px 15px}
.tg-cloud a.big{font-size:14.5px;color:#ffd9c2;padding:6px 18px}
.tg-cloud a:hover{background:#d04a2f;border-color:#d04a2f;color:#fff}
/* ===== 文章页 ===== */
.pt-crumb{background:#fbf7ee;border-bottom:1px solid #e4d8bf}
.pt-crumb .w{padding:9px 0;font-size:12px;color:#a08a63}
.pt-crumb a{color:#8a6a3a}
.pt-crumb a:hover{color:#d04a2f}
.pt-main{display:grid;grid-template-columns:1fr 320px;gap:16px;margin:16px auto}
.pt-art{background:#fff;border:1px solid #e4d8bf;border-radius:10px;padding:24px 28px;min-width:0}
.pt-art .cat{display:inline-block;font-size:11px;background:#f2e6cc;color:#8a6a3a;border-radius:3px;padding:2px 10px}
.pt-art h1{font-size:24px;line-height:1.55;color:#33291d;margin:10px 0 8px}
.pt-art .meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:#a08a63;border-bottom:1px solid #e8dcc2;padding-bottom:12px;margin-bottom:16px}
.pt-art .meta b{color:#6b5138;font-weight:normal}
.pt-art .lead{background:#f8f2e2;border-left:4px solid #d04a2f;border-radius:0 6px 6px 0;padding:10px 14px;font-size:13.5px;color:#5a4a2e;margin-bottom:16px}
.pt-art h2{font-size:18px;color:#4a3222;margin:22px 0 8px;padding-left:11px;border-left:5px solid #d04a2f;line-height:1.5}
.pt-art h2 i{font-style:normal;font-family:Georgia;color:#c9b28c;margin-right:7px;font-size:15px}
.pt-art p{font-size:14px;color:#4a4436;margin-bottom:12px}
.pt-art .chart{background:#f8f2e2;border:1px solid #e4d8bf;border-radius:8px;padding:12px 16px;margin:14px 0}
.pt-art .chart b{display:block;font-size:13.5px;color:#6b5138;margin-bottom:7px}
.pt-art .chart table{width:100%;border-collapse:collapse;font-size:12.5px}
.pt-art .chart th{background:#4a3222;color:#e8d9b8;padding:5px 9px;text-align:left;font-weight:normal}
.pt-art .chart td{border-bottom:1px dashed #d9cba8;padding:6px 9px;color:#4a4436}
.pt-art .chart td.p{font-family:Arial;color:#c2521f;font-weight:bold;white-space:nowrap}
.pt-art ul.pts{margin:0 0 14px;padding-left:0}
.pt-art ul.pts li{font-size:14px;color:#4a4436;padding:4px 0 4px 24px;position:relative;list-style:none}
.pt-art ul.pts li::before{content:"◆";position:absolute;left:4px;color:#d04a2f;font-size:10px;top:11px}
.pt-tips{background:#fff8e6;border:1px dashed #e3c878;border-radius:8px;padding:12px 16px;font-size:12.5px;color:#7a6222;margin:16px 0;line-height:1.9}
.pt-tips b{color:#a05522}
.pt-tags{display:flex;gap:8px;flex-wrap:wrap;border-top:1px dashed #e8dcc2;padding-top:12px;margin-top:6px}
.pt-tags b{font-size:13px;color:#4a3222}
.pt-tags a{font-size:12px;color:#6b5138;background:#f2ead8;border-radius:12px;padding:3px 13px}
.pt-tags a:hover{background:#4a3222;color:#f6f0e4}
.pt-pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.pt-pn a{background:#fff;border:1px solid #e4d8bf;border-radius:8px;padding:11px 15px;display:flex;flex-direction:column;gap:2px;min-width:0}
.pt-pn a.nx{text-align:right}
.pt-pn a span{font-size:11px;color:#a08a63}
.pt-pn a b{font-size:13.5px;color:#4a3222;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pt-pn a:hover{border-color:#d04a2f}
.pt-pn a:hover b{color:#a13c2a}
.pt-side{display:flex;flex-direction:column;gap:12px}
.pt-qa p{font-size:12px;color:#5a5140;padding:4px 0;border-bottom:1px dashed #e8dcc2}
.pt-qa p:last-child{border:0}
.pt-qa b{color:#4a3222}
.pt-warn{background:#4a3222;border-radius:9px;padding:12px 15px;color:#e8d9b8;font-size:12px;line-height:1.9}
.pt-warn h3{color:#f0b429;font-size:13.5px;margin-bottom:4px}
.pt-warn b{color:#ffd9c2}
.pt-rel3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pt-rc{background:#fff;border:1px solid #e4d8bf;border-radius:9px;overflow:hidden;display:flex;flex-direction:column}
.pt-rc .ph{height:72px;display:grid;place-items:center;color:#fff;font-size:22px}
.pt-rc .ph.k1{background:#8a4535}.pt-rc .ph.k2{background:#456b5a}.pt-rc .ph.k3{background:#4a5b8a}
.pt-rc .bd{padding:10px 13px;flex:1;display:flex;flex-direction:column}
.pt-rc b{font-size:14px;color:#4a3222;line-height:1.55;font-weight:normal}
.pt-rc p{font-size:11.5px;color:#8d7a58;margin:4px 0;flex:1}
.pt-rc span{font-size:10.5px;color:#b3a17e}
.pt-rc:hover{border-color:#d04a2f}
.pt-rc:hover b{color:#a13c2a}
/* ===== 搜索技巧带 ===== */
.se-tp4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.se-tp{background:#5d4130;border:1px solid #6b5138;border-radius:8px;padding:11px 14px;color:#e8d9b8}
.se-tp b{display:block;font-size:13.5px;color:#fff;margin-bottom:2px}
.se-tp b i{font-style:normal;color:#f0b429;margin-right:6px;font-family:Georgia}
.se-tp p{font-size:11px;color:#c9b28c;line-height:1.6}
/* ===== 关于页积木 ===== */
.pg-mission{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:4px 0 6px}
.pg-ms{background:#f8f2e2;border:1px solid #e4d8bf;border-radius:8px;padding:13px 15px}
.pg-ms i{font-style:normal;font-size:24px;display:block;margin-bottom:4px}
.pg-ms b{display:block;font-size:14.5px;color:#4a3222;margin-bottom:3px}
.pg-ms p{font-size:12px;color:#7b7059;margin:0}
.pg-card{background:#fff;border:1px solid #e4d8bf;border-radius:10px;padding:20px 24px;margin-bottom:14px;min-width:0}
.pg-card h3{font-size:17px;color:#4a3222;margin:0 0 10px;padding-left:11px;border-left:5px solid #d04a2f}
.pg-card p{font-size:14px;color:#4a4436;margin-bottom:10px}
.pg-card p b{color:#6b5138}
.pg-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:0 26px}
.pg-cols li{display:flex;gap:10px;align-items:baseline;padding:6px 0;border-bottom:1px dashed #e8dcc2;font-size:13.5px}
.pg-cols li:nth-last-child(-n+2){border:0}
.pg-cols .nm{background:#f2e6cc;color:#8a6a3a;border-radius:3px;padding:0 9px;flex:none;font-size:12px;white-space:nowrap}
.pg-cols a{flex:1;min-width:0;color:#4a4436}
.pg-cols a:hover{color:#a13c2a}
.pg-cols .cnt{font-size:11px;color:#b3a17e;font-family:Arial;flex:none}
.pg-price{width:100%;border-collapse:collapse;font-size:13px}
.pg-price th{background:#4a3222;color:#e8d9b8;padding:7px 11px;font-weight:normal;text-align:left}
.pg-price td{border-bottom:1px dashed #d9cba8;padding:7px 11px;color:#4a4436}
.pg-price td.p{color:#c2521f;font-family:Arial;font-weight:bold;text-align:right;white-space:nowrap}
.pg-price .nt{font-size:11.5px;color:#a08a63;padding:8px 2px 0;line-height:1.8}
.pg-stmt li{padding:6px 0 6px 24px;position:relative;font-size:13.5px;color:#4a4436;border-bottom:1px dashed #e8dcc2;list-style:none}
.pg-stmt li:last-child{border:0}
.pg-stmt li::before{content:"◆";position:absolute;left:4px;top:11px;color:#d04a2f;font-size:10px}
.pg-stmt li b{color:#6b5138}
.pg-chief{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;background:#f8f2e2;border:1px solid #e4d8bf;border-radius:9px;padding:14px 18px}
.pg-chief .av{width:64px;height:64px;border-radius:50%;background:#4a3222;color:#f0b429;display:grid;place-items:center;font-size:29px}
.pg-chief b{font-size:16px;color:#4a3222;display:block}
.pg-chief p{font-size:12.5px;color:#7b7059;margin:2px 0 4px}
.pg-chief .ln{display:flex;gap:10px;flex-wrap:wrap}
.pg-chief .ln span{font-size:12px;background:#fff;border:1px solid #e4d8bf;border-radius:12px;padding:2px 13px;color:#6b5138}
.pg-chief .ln span b{color:#c2521f;font-family:Arial;display:inline}
.pg-disc{background:#fff8e6;border:1px dashed #e3c878;border-radius:9px;padding:13px 17px;font-size:12.5px;color:#7a6222;line-height:2}
.pg-disc b{color:#a05522}
.pg-brands{margin-top:2px;background:#4a3222;padding:18px 0}
.pg-brands h3{color:#f6f0e4;font-size:16px;margin:0 0 10px}
.pg-brands h3 span{font-size:11px;color:#b39a72;margin-left:8px}
.pg-brow{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.pg-brow a{background:#5d4130;border:1px solid #6b5138;border-radius:5px;color:#e8d9b8;text-align:center;font-size:12.5px;padding:8px 2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pg-brow a:hover{background:#d04a2f;border-color:#d04a2f;color:#fff}
/* ===== 页脚 ===== */
.b3-ft{background:#33241a;color:#a89470;font-size:12px;margin-top:18px}
.b3-ft .cols{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.2fr;gap:22px;padding:22px 0;border-bottom:1px solid #4a3222}
.b3-ft h4{color:#e0c790;font-size:13px;margin-bottom:7px}
.b3-ft a{color:#a89470;display:block;padding:2px 0}
.b3-ft a:hover{color:#f0b429}
.b3-ft p{line-height:1.9}
.b3-ft .icp{text-align:center;padding:12px 10px;color:#87734f;border-top:1px solid #4a3222;line-height:2}
.b3-ft .icp img{width:14px;height:14px;vertical-align:-2px;margin-right:4px}
/* ===== 404 ===== */
.nf-box{background:#fff;border:1px solid #e4d8bf;padding:60px 30px;text-align:center;margin:20px auto;border-radius:10px}
.nf-box .code{font-size:60px;font-weight:bold;color:#d04a2f;font-family:Georgia,serif}
.nf-box p{color:#7b7059;margin:10px 0 20px}
.nf-box .btn{display:inline-block;background:#d04a2f;color:#fff;padding:10px 26px;margin:0 6px;border-radius:6px}
.nf-box .btn.o{border:1px solid #d04a2f;color:#d04a2f;background:none}
/* ===== v2 美工核验加固（1105手机端390实测）：grid/flex子项 min-width:auto 根治内容撑爆轨道 =====
 * 病理：单列grid轨道 minmax(auto,1fr) 的auto=内容最小宽，长标题把 .ct-pins/.b3-rank 等撑到458-481px>视口
 * 治法：允许轨道/弹性子项收缩到0，文字在既有ellipsis或自然换行处收敛 */
.ct-main>div,.ct-side>*,.pt-main>*,.pt-side>*,.pg-main>*{min-width:0}
.ct-pins>.ct-pin,.ct-list,.ct-box,.b3-rk,.b3-lst,.b3-dl,.b3-mini,.b3-hero,.b3-subs,.b3-two>*,.b3-side>*,.b3-foc>*,.b3-flow>*,.b3-topics>*,.b3-faq>*,.b3-price5>*,.b3-brands>a,.b3-city>span{min-width:0;max-width:100%}
.b3-rk li,.ct-list li,.tg-it,.tg-it .bd,.pt-rel3>*{min-width:0}
.pt-art,.pg-card,.ct-pin .bd,.ct-pin .ph{max-width:100%}
/* ===== v2 end ===== */
/* ===================== 响应式 ===================== */
@media (max-width:1080px){
  .b3-foc{grid-template-columns:1.3fr 1fr}
  .b3-mini{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;gap:8px 26px}
  .b3-mini h3{border:0;padding:0;width:100%}
  .b3-two{grid-template-columns:1fr 1fr}
  .b3-side{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr}
  .b3-price5{grid-template-columns:repeat(3,1fr)}
  .b3-brands{grid-template-columns:repeat(4,1fr)}
  .b3-city{grid-template-columns:repeat(4,1fr)}
  .b3-topics{grid-template-columns:repeat(3,1fr)}
  .b3-flow{grid-template-columns:repeat(2,1fr)}
  .b3-faq{grid-template-columns:repeat(2,1fr)}
  .ct-main{grid-template-columns:1fr}
  .ct-side,.pt-side{display:grid;grid-template-columns:1fr 1fr;align-items:start}
  .ct-fb{grid-template-columns:repeat(2,1fr)}
  .pt-rel3{grid-template-columns:repeat(3,1fr)}
  .pg-mission{grid-template-columns:1fr 1fr}
  .pg-brow{grid-template-columns:repeat(4,1fr)}
  .se-tp4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .b3-nav .qq{display:none}
  .b3-foc{grid-template-columns:1fr}
  .b3-hero{min-height:210px}
  .b3-two{grid-template-columns:1fr}
  .b3-bc{grid-template-columns:1fr;gap:14px}
  .b3-rank{grid-template-columns:1fr}
  .b3-ft .cols{grid-template-columns:1fr 1fr}
  .b3-tel{display:none}
  .b3-search{max-width:none}
  .ct-pins{grid-template-columns:1fr}
  .ct-hero h2{font-size:22px}
  .pt-rel3{grid-template-columns:1fr 1fr}
  .b3-ft .cols{grid-template-columns:1fr 1fr}
  .pg-cols{grid-template-columns:1fr}
  .pg-cols li:nth-last-child(-n+2){border-bottom:1px dashed #e8dcc2}
  .pg-cols li:last-child{border:0}
}
@media (max-width:560px){
  body{font-size:13.5px}
  .b3-top .w{flex-direction:column;gap:2px;text-align:center}
  .b3-hd .w{gap:10px}
  .b3-logo h1,.b3-logo .lgt{font-size:19px}
  .b3-logo .mk{width:40px;height:40px;font-size:19px}
  .b3-search{order:3;min-width:100%;max-width:none}
  .b3-nav a{padding:10px 14px;font-size:13.5px}
  .b3-band{padding:16px 0}
  .b3-h2 b{font-size:17px}
  .b3-hero h2{font-size:18px}
  .b3-hero p{font-size:12px}
  .b3-price5{grid-template-columns:1fr 1fr;gap:10px}
  .b3-pc:last-child{grid-column:1/-1}
  .b3-subs a b{white-space:normal;font-size:13px}
  .b3-side{grid-template-columns:1fr}
  .b3-brands{grid-template-columns:repeat(3,1fr)}
  .b3-city{grid-template-columns:repeat(3,1fr)}
  .b3-topics{grid-template-columns:1fr 1fr}
  .b3-tp .ph{height:48px;font-size:21px}
  .b3-tp span{min-height:0}
  .b3-flow{grid-template-columns:1fr}
  .b3-faq{grid-template-columns:1fr}
  .b3-ft .cols{grid-template-columns:1fr;gap:14px;padding:18px 0}
  .b3-mini{flex-direction:column;gap:6px}
  .b3-law{font-size:11.5px;gap:4px 12px}
  .ct-side,.pt-side{grid-template-columns:1fr}
  .ct-pin .ph{height:78px;font-size:14px}
  .ct-hero{padding:18px 0}
  .ct-hero h2{font-size:20px}
  .ct-hero::after{font-size:90px}
  .ct-list .tt{white-space:normal;line-height:1.5}
  .ct-fb{grid-template-columns:1fr}
  .tg-it{grid-template-columns:64px 1fr;gap:10px}
  .tg-it .ph{width:64px;height:50px;font-size:19px}
  .tg-it b{font-size:14px}
  .pt-art{padding:16px 14px}
  .pt-art h1{font-size:19px}
  .pt-art h2{font-size:16px}
  .pt-rel3{grid-template-columns:1fr}
  .pt-pn{grid-template-columns:1fr}
  .pt-pn a.nx{text-align:left}
  .pt-rc{flex-direction:row;align-items:center}
  .pt-rc .ph{height:auto;width:86px;flex:none}
  .pg-mission{grid-template-columns:1fr}
  .pg-chief{grid-template-columns:1fr;text-align:center;justify-items:center}
  .pg-brow{grid-template-columns:repeat(3,1fr)}
  .se-tp4{grid-template-columns:1fr}
  .pg-card{padding:16px 15px}
}